Wietse wrote: > from your answer I understand that it would be > OK/safe to do this: > > 1, copy all the old configuration files into the new server, and just add > compatibility_level = 0 to main.cf > > 2, regenerate all hashes and btree files > > 3, start postfix, see which warnings it generates, and then figure out > if/what exactly I should change in the configuration files > > Is this correct, or did I misunderstand your answer?
That is what I suggested (compatibility_level still is zero by default, but setting it is a good idea in case some maintainer changes the default). Many COMPATIBILITY_README warnings will happen while Postfix receives or delivers email. MY UPDATE: I did all of the above, and after a bit of trials and analyses of the log files: Dovecot is NOT working yet, see below and TIA if someone can help on that side too But it seems that everything about Postfix is working, as I do see that all the email my users should receive from mailing lists or other correspondents seems to arrive again in the right mailboxes, and passing the IP address of the server at https://tools.appriver.com/OpenRelay.aspx shows no successful relays. For documentation sake, to get there, I had to: 1) change main.cf as follows: # sdiff -w 200 -s /etc/postfix/main.cf /home/marco/oldserver/etc/postfix/ main.cf compatibility_level = 0 < # check_policy_service unix:postgrey/socket | check_policy_service unix:postgrey/socket check_policy_service inet:127.0.0.1:10023 < daemon_directory = /usr/lib/postfix/sbin/ 2) rename and move the postgrey whitelists files from /etc/postfix to /etc/postgrey 3) (of course) also restore the whole /etc/opendkim directory I had on the old server Further tips and comments are very appreciated, of course. Thanks, Marco ABOUT DOVECOT NOT WORKING: if you are interested, please check here: https://dovecot.org/mailman3/hyperkitty/list/dove...@dovecot.org/ the two threads titled: connection refused, no error anywhere and dovecot not listening, but doing passw checks? Was: connection refused, no error anywhere
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